diff --git a/package.json b/package.json
old mode 100755
new mode 100644
index 9496a9c..ff8dac4
--- a/package.json
+++ b/package.json
@@ -60,7 +60,7 @@
     "throttled-queue": "^1.0.7",
     "underscore": "^1.9.1",
     "xdg-basedir": "^3.0.0",
-    "xlsx": "^0.13.5"
+    "xlsx": "^0.17.0"
   },
   "devDependencies": {
     "chai": "^4.1.2",
diff --git a/yarn.lock b/yarn.lock
old mode 100755
new mode 100644
index 8dfdeda..956e65b
--- a/yarn.lock
+++ b/yarn.lock
@@ -19,7 +19,7 @@
 
 "@sinonjs/formatio@^2.0.0":
   version "2.0.0"
-  resolved "http://registry.npmjs.org/@sinonjs/formatio/-/formatio-2.0.0.tgz#84db7e9eb5531df18a8c5e0bfb6e449e55e654b2"
+  resolved "https://registry.npmjs.org/@sinonjs/formatio/-/formatio-2.0.0.tgz#84db7e9eb5531df18a8c5e0bfb6e449e55e654b2"
   dependencies:
     samsam "1.3.0"
 
@@ -334,11 +334,13 @@ center-align@^0.1.1:
     align-text "^0.1.3"
     lazy-cache "^1.0.3"
 
-cfb@~1.0.8:
-  version "1.0.8"
-  resolved "https://registry.yarnpkg.com/cfb/-/cfb-1.0.8.tgz#77f213493d697d754fd9c0f5511eab5ad72d02cf"
+cfb@^1.1.4:
+  version "1.2.0"
+  resolved "https://registry.yarnpkg.com/cfb/-/cfb-1.2.0.tgz#6a4d0872b525ed60349e1ef51fb4b0bf73eca9a8"
+  integrity sha512-sXMvHsKCICVR3Naq+J556K+ExBo9n50iKl6LGarlnvuA2035uMlGA/qVrc0wQtow5P1vJEw9UyrKLCbtIKz+TQ==
   dependencies:
-    commander "^2.14.1"
+    adler-32 "~1.2.0"
+    crc-32 "~1.2.0"
     printj "~1.1.2"
 
 chai@^4.1.2:
@@ -455,15 +457,11 @@ combined-stream@^1.0.6, combined-stream@~1.0.5, combined-stream@~1.0.6:
   dependencies:
     delayed-stream "~1.0.0"
 
-commander@2.15.1, commander@^2.2.0, commander@^2.9.0, commander@~2.15.1:
+commander@2.15.1:
   version "2.15.1"
   resolved "https://registry.yarnpkg.com/commander/-/commander-2.15.1.tgz#df46e867d0fc2aec66a34662b406a9ccafff5b0f"
 
-commander@^2.14.1:
-  version "2.17.1"
-  resolved "https://registry.yarnpkg.com/commander/-/commander-2.17.1.tgz#bd77ab7de6de94205ceacc72f1716d29f20a77bf"
-
-commander@kriskbx/commander.js:
+commander@^2.2.0, commander@^2.9.0, commander@kriskbx/commander.js:
   version "2.19.0"
   resolved "https://codeload.github.com/kriskbx/commander.js/tar.gz/2275da95973c27e40e13a4195768947aa39672d0"
 
@@ -471,6 +469,11 @@ commander@~2.14.1:
   version "2.14.1"
   resolved "https://registry.yarnpkg.com/commander/-/commander-2.14.1.tgz#2235123e37af8ca3c65df45b026dbd357b01b9aa"
 
+commander@~2.17.1:
+  version "2.17.1"
+  resolved "https://registry.yarnpkg.com/commander/-/commander-2.17.1.tgz#bd77ab7de6de94205ceacc72f1716d29f20a77bf"
+  integrity sha512-wPMUt6FnH2yzG95SA6mzjQOEKUU3aLaDEmzs1ti+1E9h+CsrZghRlqEM/EJ4KscsQVG8uNN4uVreUeT8+drlgg==
+
 component-emitter@^1.2.1:
   version "1.2.1"
   resolved "https://registry.yarnpkg.com/component-emitter/-/component-emitter-1.2.1.tgz#137918d6d78283f7df7a6b7c5a63e140e69425e6"
@@ -796,6 +799,11 @@ fd-slicer@~1.0.1:
   dependencies:
     pend "~1.2.0"
 
+fflate@^0.3.8:
+  version "0.3.11"
+  resolved "https://registry.yarnpkg.com/fflate/-/fflate-0.3.11.tgz#2c440d7180fdeb819e64898d8858af327b042a5d"
+  integrity sha512-Rr5QlUeGN1mbOHlaqcSYMKVpPbgLy0AWT/W0EHxA6NGI12yO1jpoui2zBBvU2G824ltM6Ut8BFgfHSBGfkmS0A==
+
 fill-range@^4.0.0:
   version "4.0.0"
   resolved "https://registry.yarnpkg.com/fill-range/-/fill-range-4.0.0.tgz#d544811d428f98eb06a63dc402d2403c328c38f7"
@@ -1871,7 +1879,7 @@ prelude-ls@~1.1.2:
 
 printj@~1.1.0, printj@~1.1.2:
   version "1.1.2"
-  resolved "http://registry.npmjs.org/printj/-/printj-1.1.2.tgz#d90deb2975a8b9f600fb3a1c94e3f4c53c78a222"
+  resolved "https://registry.npmjs.org/printj/-/printj-1.1.2.tgz#d90deb2975a8b9f600fb3a1c94e3f4c53c78a222"
 
 process-nextick-args@~2.0.0:
   version "2.0.0"
@@ -2322,9 +2330,10 @@ sprintf-js@~1.0.2:
   version "1.0.3"
   resolved "https://registry.yarnpkg.com/sprintf-js/-/sprintf-js-1.0.3.tgz#04e6926f662895354f3dd015203633b857297e2c"
 
-ssf@~0.10.2:
-  version "0.10.2"
-  resolved "https://registry.yarnpkg.com/ssf/-/ssf-0.10.2.tgz#65b2b4fcdfd967bc8e8383a41349009893115976"
+ssf@~0.11.2:
+  version "0.11.2"
+  resolved "https://registry.yarnpkg.com/ssf/-/ssf-0.11.2.tgz#0b99698b237548d088fc43cdf2b70c1a7512c06c"
+  integrity sha512-+idbmIXoYET47hH+d7dfm2epdOMUDjqcB4648sTZ+t2JwoyBFL/insLfB/racrDmsKB3diwsDA696pZMieAC5g==
   dependencies:
     frac "~1.1.2"
 
@@ -2675,6 +2684,16 @@ winston@2.1.x:
     pkginfo "0.3.x"
     stack-trace "0.0.x"
 
+wmf@~1.0.1:
+  version "1.0.2"
+  resolved "https://registry.yarnpkg.com/wmf/-/wmf-1.0.2.tgz#7d19d621071a08c2bdc6b7e688a9c435298cc2da"
+  integrity sha512-/p9K7bEh0Dj6WbXg4JG0xvLQmIadrner1bi45VMJTfnbVHsc7yIajZyoSoK60/dtVBs12Fm6WkUI5/3WAVsNMw==
+
+word@~0.3.0:
+  version "0.3.0"
+  resolved "https://registry.yarnpkg.com/word/-/word-0.3.0.tgz#8542157e4f8e849f4a363a288992d47612db9961"
+  integrity sha512-OELeY0Q61OXpdUfTp+oweA/vtLVg5VDOXh+3he3PNzLGG/y0oylSOC1xRVj0+l4vQ3tj/bB1HVHv1ocXkQceFA==
+
 wordwrap@0.0.2:
   version "0.0.2"
   resolved "https://registry.yarnpkg.com/wordwrap/-/wordwrap-0.0.2.tgz#b79669bb42ecb409f83d583cad52ca17eaa1643f"
@@ -2699,17 +2718,21 @@ xdg-basedir@^3.0.0:
   version "3.0.0"
   resolved "https://registry.yarnpkg.com/xdg-basedir/-/xdg-basedir-3.0.0.tgz#496b2cc109eca8dbacfe2dc72b603c17c5870ad4"
 
-xlsx@^0.13.5:
-  version "0.13.5"
-  resolved "https://registry.yarnpkg.com/xlsx/-/xlsx-0.13.5.tgz#65826ba1944c6f4d6c023b7eb6c89e6b6e0d71b7"
+xlsx@^0.17.0:
+  version "0.17.0"
+  resolved "https://registry.yarnpkg.com/xlsx/-/xlsx-0.17.0.tgz#028176a0140967dcee1817d221678461e47481c8"
+  integrity sha512-bZ36FSACiAyjoldey1+7it50PMlDp1pcAJrZKcVZHzKd8BC/z6TQ/QAN8onuqcepifqSznR6uKnjPhaGt6ig9A==
   dependencies:
     adler-32 "~1.2.0"
-    cfb "~1.0.8"
+    cfb "^1.1.4"
     codepage "~1.14.0"
-    commander "~2.15.1"
+    commander "~2.17.1"
     crc-32 "~1.2.0"
     exit-on-epipe "~1.0.1"
-    ssf "~0.10.2"
+    fflate "^0.3.8"
+    ssf "~0.11.2"
+    wmf "~1.0.1"
+    word "~0.3.0"
 
 xtend@^4.0.0, xtend@~4.0.1:
   version "4.0.1"